Coffee grinder



FIG. 1 is a side elevational view of a coffee grinder according to thepresent invention;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top view of the coffee grinder of FIG. 1; and,

FIG. 5 is a bottom view of the coffee grinder of FIG. 1.

The broken lines identify objects that form no part of the claimeddesign.

The ornamental design for a coffee grinder, as shown and described.